extcon: arizona: Reorder the default statement to remove unnecessary warning

This patch reorders the default statement to remove unnecessary warning message
when info->hpdet_ip_version is higher than 2.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index b010307..a1ab0a5 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -477,9 +477,6 @@
 			   arizona_hpdet_b_ranges[range].factor_a);
 		break;
 
-	default:
-		dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n",
-			 info->hpdet_ip_version);
 	case 2:
 		if (!(val & ARIZONA_HP_DONE_B)) {
 			dev_err(arizona->dev, "HPDET did not complete: %x\n",
@@ -516,6 +513,12 @@
 				arizona_hpdet_c_ranges[range].min);
 			val = arizona_hpdet_c_ranges[range].min;
 		}
+		break;
+
+	default:
+		dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n",
+			 info->hpdet_ip_version);
+		return -EINVAL;
 	}
 
 	dev_dbg(arizona->dev, "HP impedance %d ohms\n", val);